View Sample Alloy Digest Data Sheet (PDF)Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.CHAMPION HY-LO 715 is a low-hydrogen welding electrode comprised of an extra low carbon core wire coated with a high-purity, low-carbon flux. Deposited weld metal is characterized by high ductility and excellent impact properties.